CN208912772U - A kind of in-situ remediation system enclosed hood - Google Patents

Abstract

The utility model provides a kind of in-situ remediation system enclosed hood, including the closed cover body of cast iron materials system (1), sealing structure (2), hollow stem (3)；The closed cover body (1) is cylindrical empty core structure comprising round top surface and cylindrical side wall；The hollow stem (3) is set to closed cover body (1) center by the way that the sealing structure (2) is telescopic, and can move up and down perpendicular to the round top surface.Enclosed hood described in the utility model can conveniently be moved to required position, and closed structure is quickly formed, it is used for any contaminated site in-situ immobilization, since structure is simple and obturation effect is good, polluted gas is completely taken away by extract system, without polluting air.

Description

A kind of in-situ remediation system enclosed hood

Technical field

The utility model relates to field of environmental technology, and in particular to a kind of in-situ remediation system enclosed hood.

Background technique

By quick industrial development in more than 30 years, a large amount of pollutants were stacked and are toppled over by solid waste, effluent seepage, atmosphere are heavy The approach such as drop enter soil and underground water, cause a large amount of chemical pollution plot.These chemical pollution plot are with urbanization The planning of development is largely included into redevelopment utilization scope.Part chemical pollution plot pollution depth is deeper, reaches subsurface 15 Therefore rice is hereinafter, be no longer appropriate for being repaired by the way of excavation-processing.A large amount of based technique for in-situ remediation are used for pollution depth Deeper pollution plot, such as in-situ oxidation technology, multiphase extraction technique, air aeration technology and In Situ Heating technology etc..

In Situ Heating relates generally to In-situ resistance heating (ERH) and in-situ heat conduction heating (TCH) two ways.It is wherein electric Resistance heating method, which is mainly utilized in contaminated site, lays electrode, forms current path and heats to point pollution soil.Heat Heating is led mainly using being passed through fuel gas buring into pollution plot and then forming localized hyperthermia, and localized hyperthermia reaches to infarctional To the purpose of heating soil.Thermal conductivity heating can also realize that hot steam passes through by being directly passed through hot steam into pollution plot Heat exchange pattern is diffused into the heating that large area is realized in peripheral region.

Original position thermal desorption technology is also very limited for the recovery project case of contaminated site at present, is primarily due to in-situ heat Recovery technique, which is generally required, is arranged vertical curtain to pollution sources region, and ground needs to harden and be added with preventing and remedying pollution object in soil It is escaped in hot situation from ground and causes secondary pollution, while used ERH and TCH technology requires that a large amount of add is arranged at present Hot well, and a large amount of electric energy or fuel consumption are put into, the another drawback of TCH and ERH technology is the adjustment during repairing It is relatively difficult with controlling, the detection lag of repairing effect.In addition, original position thermal desorption recovery technique is for pollution used at present The cost that the deeper contaminated site of depth needs to put into is very big, and engineering construction difficulty is also very high.

Utility model content

The utility model provides a kind of in-situ remediation system enclosed hood.Using thermal desorption technology in situ, above-mentioned skill is solved One of art problem can flexibly, easily be adjusted according to factors such as stratum, pollution depth, concentration distribution of pollutants, pollutant characteristics Complicated contaminated site is efficiently repaired in whole each technological parameter, energy conservation.

A kind of in order to achieve the above object, the utility model provides in-situ remediation system enclosed hood, including cast iron materials Make closed cover body, sealing structure, hollow stem；The closed cover body be cylindrical empty core structure comprising round top surface and Cylindrical side wall；The hollow stem is set to the enclosed hood body center by the way that the sealing structure is telescopic, and can be vertical It is moved up and down in the round top surface.

Preferably, the closed cover body diameter is 0.5-3 meters, 0.3-2.5 meters a height of, and cylindrical side wall thickness is 5-30 lis Rice.

Preferably, the closed cover body diameter is 1-2 meters, 1-1.5 meters a height of, and cylindrical side wall thickness is 10-20 centimetres.

Preferably, it is vertically provided with stainless steel positioning region along the cylindrical side wall lower edge circumference, the positioning region is Pyramidal structure.

Preferably, the positioning region is 5-10 centimetres high, 0.5-10 centimetres thick.

Preferably, the positioning region is 6-7 centimetres high, 1-3 centimetres thick.

Preferably, at least one aperture is provided on the round top surface.

Preferably, the cylindrical side wall is equipped with air pressure and temperature online sensor, for detecting the air pressure in enclosed hood And temperature.

Preferably, the sealing structure include sealing structure ontology, first seal, second seal, stationary ring sealing ring, Seal ring of moving ring and gland ring；The stationary ring sealing ring be set to the first seal and sealing structure ontology it Between, the seal ring of moving ring is set between the second seal and the gland ring.

The above scheme of the utility model embodiment compared with prior art, at least has the advantages that

Enclosed hood described in the utility model can conveniently be moved to required position, and quickly be formed closed Structure uses for any contaminated site in-situ immobilization, since structure is simple and obturation effect is good, enables polluted gas complete Taken away by extract system, without pollute air.The dirt in the gas extracted can be monitored in real time in conjunction with on-line monitoring system It contaminates object concentration (a secondary GC spectrogram can be provided within every 2 minutes), for analyzing repairing effect in real time, and then in time, effectively adjusts Renovation technique parameter realizes quick, efficient, energy-efficient repairing effect.

Detailed description of the invention

The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model Embodiment, and be used to explain the principles of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:

Fig. 1 is enclosed hood structural schematic diagram described in the embodiments of the present invention；

Fig. 2 is ring structure schematic diagram described in the embodiments of the present invention.

Description of symbols:

1 closed cover body；2 sealing structures；3 hollow stems；11 positioning regions；20 include sealing structure ontology；21 first sealings Part；22 second seals；23 stationary ring sealing rings；24 seal ring of moving ring；25 gland rings.

Specific embodiment

It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.

The term used in the utility model embodiment and is not intended to merely for for the purpose of describing particular embodiments Limit the utility model.The utility model embodiment and the "an" of singular used in the attached claims, " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning, " a variety of " generally comprise to It is two kinds few.

It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

It will be appreciated that though may be retouched using term first, second, third, etc. in the utility model embodiment It states ..., but these ... it should not necessarily be limited by these terms.These terms be only used to by ... distinguish.For example, not departing from this In the case where utility model scope of embodiments, first ... can also be referred to as second ..., and similarly, second ... can also be with Referred to as first ....

Depending on context, word as used in this " if ", " if " can be construed to " ... when " or " when ... " or " in response to determination " or " in response to detection ".Similarly, context is depended on, phrase " if it is determined that " or " such as Fruit detection (condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when detection (statement Condition or event) when " or " in response to detection (condition or event of statement) ".

It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability Include, so that commodity or system including a series of elements not only include those elements, but also including not clear The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also There are other identical elements.

The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1, the utility model provides a kind of in-situ remediation system enclosed hood, including cast iron materials system is closed Cover body 1, sealing structure 2, hollow stem 3；The closed cover body 1 is cylindrical empty core structure comprising round top surface and column Shape side wall；The hollow stem 3 is set to 1 center of closed cover body by the way that the sealing structure 2 is telescopic, and can be vertical It is moved up and down in the round top surface.

Closed cover body 1 can be using cast iron materials or the manufacture of steel or other metal materials, as long as being able to satisfy has Certain weight does not do single restriction to this.

Wherein, 1 diameter of closed cover body is 0.5-3 meters, 0.3-2.5 meters a height of, and cylindrical side wall thickness is 5-30 centimetres. Preferably, 1 diameter of closed cover body is 1-2 meters, 1-1.5 meters a height of, and cylindrical side wall thickness is 10-20 centimetres.

In addition, enclosed hood is quick, strict incision ground in order to enable, it is downward along the cylindrical side wall lower edge circumference It is provided with stainless steel positioning region 11, the positioning region 11 is pyramidal structure, blade structure etc..Preferably, the positioning region 11 It is 5-10 centimetres high, it is 0.5-10 centimetres thick.Particularly preferred, 11 high 6-7 centimetres of the positioning region is 1-3 centimetres thick.Can stablize Incision ground be advisable.

Preferably, it is provided at least one aperture on the round top surface, so that pumping or monitoring device use.It can be The cylindrical side wall is equipped with air pressure and temperature online sensor, for detecting air pressure and temperature in enclosed hood.

Particularly, the sealing structure 2 includes sealing structure ontology 20, first seal 21, second seal 22, stationary ring Sealing ring 23, seal ring of moving ring 24 and gland ring 25；The stationary ring sealing ring 23 is set to the first seal 21 Between sealing structure ontology 20, the seal ring of moving ring 24 is set to the second seal 22 and the gland ring 25 Between.Each sealing ring is ring structure, is passed through for the hollow stem, and hollow stem is telescopic to shuttle in the seal closure, with Cooperation drill bit moves up and down.

Enclosed hood described in the utility model can conveniently be moved to required position, and quickly be formed closed Structure uses for any contaminated site in-situ immobilization, since structure is simple and obturation effect is good, enables polluted gas complete Taken away by extract system, without pollute air.The dirt in the gas extracted can be monitored in real time in conjunction with on-line monitoring system It contaminates object concentration (a secondary GC spectrogram can be provided within every 2 minutes), for analyzing repairing effect in real time, and then in time, effectively adjusts Renovation technique parameter realizes quick, efficient, energy-efficient repairing effect.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (9)

1. a kind of in-situ remediation system enclosed hood, it is characterised in that: including the closed cover body of cast iron materials system (1), sealing knot Structure (2), hollow stem (3)；The closed cover body (1) is cylindrical empty core structure comprising round top surface and cylindrical side wall；Institute It states hollow stem (3) and is set to the closed cover body (1) center by the way that the sealing structure (2) is telescopic, and can be perpendicular to The circle top surface moves up and down.

2. enclosed hood according to claim 1, it is characterised in that: closed cover body (1) diameter is 0.5-3 meters, high It is 0.3-2.5 meters, cylindrical side wall thickness is 5-30 centimetres.

3. enclosed hood according to claim 2, it is characterised in that: closed cover body (1) diameter is 1-2 meters, a height of 1-1.5 meters, cylindrical side wall thickness is 10-20 centimetres.

4. enclosed hood according to claim 1, it is characterised in that: be vertically provided with along the cylindrical side wall lower edge circumference Stainless steel positioning region (11), the positioning region (11) are pyramidal structure.

5. enclosed hood according to claim 4, it is characterised in that: the positioning region (11) is 5-10 centimetres high, thick 0.5-10 Centimetre.

6. enclosed hood according to claim 5, it is characterised in that: the positioning region (11) is 6-7 centimetres high, 1-3 centimetres thick.

7. enclosed hood according to claim 1, it is characterised in that: be provided at least one aperture on the circle top surface.

8. enclosed hood according to claim 1, it is characterised in that: the cylindrical side wall is equipped with air pressure and temperature online passes Sensor, for detecting air pressure and temperature in enclosed hood.

9. -8 any enclosed hood according to claim 1, it is characterised in that: the sealing structure (2) includes sealing structure Ontology (20), first seal (21), second seal (22), stationary ring sealing ring (23), seal ring of moving ring (24) and gland Sealing ring (25)；The stationary ring sealing ring (23) is set between the first seal (21) and sealing structure ontology (20), The seal ring of moving ring (24) is set between the second seal (22) and the gland ring (25).